Battery charger for a rechargeable radio battery



FIG. 1 is a top, front, and left side perspective view of a battery charger for a rechargeable radio battery showing our design in full lines, with broke line matter being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a battery charger for a rechargeable radio battery, as shown and described. 